JPS62192390A - Production of 1,2-dichloro-1,2,2-trimethyl-1-phenyldisilane - Google Patents

Production of 1,2-dichloro-1,2,2-trimethyl-1-phenyldisilane

Info

Publication number
JPS62192390A
JPS62192390A JP3280986A JP3280986A JPS62192390A JP S62192390 A JPS62192390 A JP S62192390A JP 3280986 A JP3280986 A JP 3280986A JP 3280986 A JP3280986 A JP 3280986A JP S62192390 A JPS62192390 A JP S62192390A
Authority
JP
Japan
Prior art keywords
formula
disilane
phenyldisilane
dichloro
trimethyl
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP3280986A
Other languages
Japanese (ja)
Other versions
JPH0631270B2 (en
Inventor
Yoichiro Nagai
永井 洋一郎
Hamao Watanabe
渡辺 濱夫
Yoshinori Akutsu
阿久津 義徳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
YUKI GOSEI YAKUHIN KOGYO KK
Original Assignee
YUKI GOSEI YAKUHIN KOGYO KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by YUKI GOSEI YAKUHIN KOGYO KK filed Critical YUKI GOSEI YAKUHIN KOGYO KK
Priority to JP3280986A priority Critical patent/JPH0631270B2/en
Priority to US07/011,964 priority patent/US4716240A/en
Priority to DE8787101915T priority patent/DE3760507D1/en
Priority to EP87101915A priority patent/EP0234412B1/en
Priority to CA000530040A priority patent/CA1301184C/en
Publication of JPS62192390A publication Critical patent/JPS62192390A/en
Publication of JPH0631270B2 publication Critical patent/JPH0631270B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Abstract

NEW MATERIAL:1,2-Dichloro-1,2,2-trimethyl-1-phenyldisilane shown by formula ClMe2SiSiMePhCl (Ph is phenyl; Me is methyl). USE:An intermediate for a polysilane having functions as electrical conductor, photoresist, optical information memory material, etc. PREPARATION:1,1,2-Trichloro-1,2,2-trimethyldisilane shown by formula ClMe2 SiSiMeCl2 is reacted with a phenylmagnesium halide shown by the formula PhMgX (X is halogen) in an equivalent ratio preferably of 1:1 in the presence of 0.01-0.1 equivalent cobalt catalyst (preferably cobalt chloride) usually in an aprotic solvent such as n-hexane, etc., at 0-50 deg.C.

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は、式(I[I) CQ  Me2 Si Si Me CQ、    (
m)(式中、Meはメチル基を表わす) で示される1、1.2−トリクロロ−1,2,2−トリ
メチルジシラン(以下、ジシラン(III)と称する)
と一般式(TV) Ph  MgX             (IV)(
式中、Phはフェニル基を、又はハロゲン原子を表わす
) で示されるフェニルマグネシウムハライド(以下、マグ
ネシウム試剤と称する)とをコバルト触媒の存在下に反
応させることからなる式(II)CQ  Mg2Si 
Si Me Ph CQ  (II)(式中、phおよ
びMeは前記と同一の意味を表わす) で示される1、2−ジクロロ−1,2,2−トリメチル
−1−フェニルジシラン(以下、ジシラン(II)と称
する)の製造法に関する発明である。
DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to a compound having the formula (I[I) CQ Me2 Si Si Me CQ, (
m) (wherein Me represents a methyl group) 1,1,2-trichloro-1,2,2-trimethyldisilane (hereinafter referred to as disilane (III))
and the general formula (TV) Ph MgX (IV) (
Formula (II) CQ Mg2Si, which consists of reacting phenylmagnesium halide (hereinafter referred to as magnesium reagent) represented by (wherein Ph represents a phenyl group or a halogen atom) in the presence of a cobalt catalyst.
1,2-dichloro-1,2,2-trimethyl-1-phenyldisilane (hereinafter referred to as disilane (II)) represented by Si Me Ph This invention relates to a method for manufacturing (referred to as )).

本発明のジシラン(Il)は、電気伝導体、フォトレジ
スト、光情報記憶材料等としての機能を有するポリシラ
ンの中間体として有用な化合物である。
Disilane (Il) of the present invention is a compound useful as an intermediate for polysilane having functions as an electrical conductor, a photoresist, an optical information storage material, and the like.

(従来技術) 従来、ジシラン(I[I)の如き1,1.2−トリクロ
ロジシラン骨格構造へのアリール基の選択的な導入手段
は開示されておらず、ジシラン〔lll〕の1−位のク
ロロ基1個のみに選択的にフェニル基を導入したジシラ
ン(n)も文献未載の化合物である。
(Prior Art) Conventionally, a means for selectively introducing an aryl group into a 1,1,2-trichlorodisilane skeleton structure such as disilane (I [I)] has not been disclosed. Disilane (n), in which a phenyl group is selectively introduced into only one chloro group, is also a compound that has not been described in any literature.

(発明が解決すべき問題点) ジシラン(II[]とマグネシウム試剤との反応でジシ
ラン〔■〕を製造する際、この反応を無触媒で行うと、
目的とする1、2−ジクロロジシラン型であるジシラン
(Il)のほかに、1,1−ジクロロジシラン型である
式CI] Ph  Me2 Si  Si  Me  CO2(I
)(式中、phおよびMeは前記と同一の意味を表わす
) で示される1、1−ジクロロ−1,2,2−トリメチル
−2−フェニルジシラン(以下、ジシラン(I)と称す
る)がほぼ1:1の割合で生成し、ジシラン[1)また
はジシラン(Il)のみを選択的に得られない欠点を有
している。
(Problems to be solved by the invention) When disilane [■] is produced by the reaction of disilane (II [] and a magnesium reagent), if this reaction is carried out without a catalyst,
In addition to the desired 1,2-dichlorodisilane type disilane (Il), 1,1-dichlorodisilane type formula CI] Ph Me2 Si Si Si Me CO2 (I
) (wherein ph and Me have the same meanings as above) 1,1-dichloro-1,2,2-trimethyl-2-phenyldisilane (hereinafter referred to as disilane (I)) is approximately It is produced at a ratio of 1:1 and has the disadvantage that only disilane [1] or disilane (Il) cannot be selectively obtained.

(問題を解決するための手段) 本発明者らはジシラン(m)とマグネシウム試剤との反
応において、ジシラン(II)のみを選択的に製造する
方法について検討した結果、この反応をコバルト触媒の
存在下に行うことにより、ジシラン(IT)のみを選択
的に得る本発明を完成したものである。
(Means for Solving the Problem) The present inventors investigated a method for selectively producing only disilane (II) in the reaction between disilane (m) and a magnesium reagent. By performing the following steps, the present invention has been completed in which only disilane (IT) is selectively obtained.

本発明の製造法を化学反応式で示すと下記のようになる
The chemical reaction formula for the production method of the present invention is as follows.

(以下余白) (III)               (If)本
発明で用いるコバルト触媒として塩化コバルト(CoC
Q 2)が代表的なものであるが、これに限定されるも
のではない。本発明の原料であるジシラン(m)は、塩
化メチルと金属ケイ素とからジクロロジメチルシランを
合成する際に副生するジシラン留分より得られる。また
、マグネシウム試剤としてはフェニルマグネシウムブロ
マイドやフェニルマグネシウムクロライドのようなフェ
ニルマグネシウムハライドが用いられる。
(Left below) (III) (If) Cobalt chloride (CoC) is used as a cobalt catalyst used in the present invention.
Q2) is a typical example, but it is not limited to this. Disilane (m), which is a raw material of the present invention, is obtained from a disilane fraction that is produced as a by-product when dichlorodimethylsilane is synthesized from methyl chloride and metal silicon. Furthermore, phenylmagnesium halides such as phenylmagnesium bromide and phenylmagnesium chloride are used as the magnesium reagent.

本発明は、ジシラン〔■〕1当量とマグネシウム試剤1
当量とを0.01〜0.1当量のコバルト触媒の存在下
に、非プロトン性溶媒、たとえばn−ヘキサン、テトラ
ヒドロフラン、エチルエーテル、トルエン、ベンゼンな
どの溶媒中で反応させる。反応温度は0〜50℃が好適
であり、通常は1〜12時間で反応は完結するが、これ
らの反応条件に限定されない。反応終了後、常法の精製
法により精製し、ジシラン(m)に対して80%以上の
収率で高純度のジシラン[11)が得られる。
The present invention uses 1 equivalent of disilane [■] and 1 equivalent of magnesium reagent.
equivalents of cobalt catalyst in the presence of 0.01 to 0.1 equivalents of cobalt catalyst in an aprotic solvent such as n-hexane, tetrahydrofuran, ethyl ether, toluene, benzene, or the like. The reaction temperature is preferably 0 to 50°C, and the reaction is usually completed in 1 to 12 hours, but the reaction conditions are not limited to these. After the reaction is completed, it is purified by a conventional purification method to obtain highly pure disilane [11] with a yield of 80% or more based on disilane (m).

(効  果) 本発明は、ジシラン(m)とマグネシウム試剤との反応
の触媒としてコバルト触媒を見出したものであり、コバ
ルト触媒の存在下に反応を行うことにより、1,2−ジ
クロロジシラン型であるジシラン(n)を選択的に、か
つ好収率で得るものである。また、原料であるジシラン
(m)は、塩化メチルと金属ケイ素とからジクロロジメ
チルシランを合成する際に10〜20%程度副生するジ
シラン留分より得られるが、現在このジシラン留分は未
利用のまま貯蔵または廃棄されており、本発明はかかる
未利用資源の有効利用をはかるものである。
(Effects) In the present invention, a cobalt catalyst was discovered as a catalyst for the reaction between disilane (m) and a magnesium reagent, and by carrying out the reaction in the presence of a cobalt catalyst, 1,2-dichlorodisilane type A certain disilane (n) can be obtained selectively and in good yield. In addition, the raw material disilane (m) is obtained from the disilane fraction, which is a by-product of about 10 to 20% when dichlorodimethylsilane is synthesized from methyl chloride and metallic silicon, but this disilane fraction is currently unused. The present invention aims to make effective use of such unused resources.

(実施例) 以下、実施例および比較例により説明する。(Example) This will be explained below using Examples and Comparative Examples.

比較例 冷却管、滴下ロート、温度計および攪拌機を備えたIQ
四つロフラスコに、1.L2−トリクロロ−1,2,2
−トリメチルジシラン103.8g (0,5モル)お
よびエチルエーテル200gを仕込み、攪拌しながらフ
ェニルマグネシウムブロマイド90.5g(0,5モル
)のエチルエーテル溶液を、反応温度を25〜30℃に
保ちながら3時間を要して滴下した。滴下終了後、25
〜30℃で2時間攪拌を続け、反応を完結させた。次い
で反応物を同定するために、副生じたマグネシウム塩を
戸別して得た生成物の少量を水素化アルミニウムリチウ
ムで還元し、還元生成物のJ(−NMRスペクトル(c
 、、’o s )を測定した結果、下記のようにa、
bの水素が確認でき、その強度比は1:1であった。
Comparative example IQ equipped with cooling tube, dropping funnel, thermometer and stirrer
In a four-loaf flask, 1. L2-trichloro-1,2,2
- 103.8 g (0.5 mol) of trimethyldisilane and 200 g of ethyl ether were charged, and while stirring, a solution of 90.5 g (0.5 mol) of phenylmagnesium bromide in ethyl ether was added while maintaining the reaction temperature at 25 to 30°C. The dropwise addition took 3 hours. After completion of dripping, 25
Stirring was continued for 2 hours at ~30°C to complete the reaction. Next, in order to identify the reactant, a small amount of the product obtained by removing the by-product magnesium salt was reduced with lithium aluminum hydride, and the J(-NMR spectrum (c
,,'o s ), the results show that a,
Hydrogen in b was confirmed, and the intensity ratio was 1:1.

a  : 3.2−3.5 ppm  (q)b  :
 3.6−4.4 ppm  (m)従って、本反応の
生成物はI、1−ジクロロ−1,、2、2−トリメチル
−2−フェニルジシランと1,2−ジクロロ−1,2,
2−トリメチル−1−フェニルジシランとの1:1の混
合物である。
a: 3.2-3.5 ppm (q)b:
3.6-4.4 ppm (m) Therefore, the products of this reaction are I,1-dichloro-1,,2,2-trimethyl-2-phenyldisilane and 1,2-dichloro-1,2,
It is a 1:1 mixture with 2-trimethyl-1-phenyldisilane.

実施例 比較例と同じ装置に、1,1.2−トリクロロ−1,2
゜2−トリメチルジシラン103.8g(0,5モル)
、塩化コバルト6.5g(0,05モル)およびエチル
エーテル200gを仕込み、攪拌しながらフェニルマグ
ネシウムブロマイド90.5g(0,5モル)のエチル
エーテル溶液を、反応温度を25〜30℃に保ちながら
3時間を要して滴下した。滴下終了後25〜30℃で2
時間攪拌を続は反応を完結させた。副生じたマグネシウ
ム液を戸別して得た生成物を、比較例と同様にして’H
−NMRスペクトル(csos)を測定した結果、1,
2−ジクロロ−1,2,2−トリメチル−1−フェニル
ジシランが良好な選択性で得られることを確認した。次
いで常法により精製し、1,2−ジクロロ−1,2,2
−トリメチル−1−フェニルジシラン103.5gを得
た。収率83%。
1,1.2-trichloro-1,2 was added to the same equipment as in the comparative examples.
゜2-Trimethyldisilane 103.8g (0.5 mol)
, 6.5 g (0.05 mol) of cobalt chloride and 200 g of ethyl ether were charged, and while stirring, a solution of 90.5 g (0.5 mol) of phenylmagnesium bromide in ethyl ether was added while maintaining the reaction temperature at 25 to 30°C. The dropwise addition took 3 hours. 2 at 25-30℃ after the completion of dropping.
After stirring for an hour, the reaction was completed. The by-produced magnesium liquid was collected from each household, and the resulting product was treated with 'H' in the same manner as in the comparative example.
-As a result of measuring the NMR spectrum (csos), 1,
It was confirmed that 2-dichloro-1,2,2-trimethyl-1-phenyldisilane was obtained with good selectivity. Then, it was purified by a conventional method to obtain 1,2-dichloro-1,2,2
103.5 g of -trimethyl-1-phenyldisilane was obtained. Yield 83%.

沸点 :129〜131℃720mmHgマススペクト
ル:  249(m+1)プロトンNMRスペクトル(
CCL):a : 7.1〜7.6 ppm (m 、
 5 H)b : 0.45   pp+a (s 、
 6 H)c : 0.65   ppm (s 、 
3 H)赤外吸収スペクトル(NaCQ ) : (C
m−1)3180、2975.1485.1430゜1
400、1255.1115゜ 手続補正書 昭和61年7月9日 3、補正をする者 事件との関係 特許出願人 東京都中央区京橋二丁目17番4号 有機合成薬品工業株式会社 代表者玉重雅雄 4、代理人 明細書の「発明の詳細な説明」の欄 6、補正の内容
Boiling point: 129-131℃ 720mmHg Mass spectrum: 249 (m+1) Proton NMR spectrum (
CCL): a: 7.1-7.6 ppm (m,
5 H) b: 0.45 pp+a (s,
6H)c: 0.65 ppm (s,
3H) Infrared absorption spectrum (NaCQ): (C
m-1) 3180, 2975.1485.1430°1
400, 1255.1115゜Procedural Amendment July 9, 1986 3. Person making the amendment Relationship to the case Patent applicant Tamashige, Representative of Organic Synthetic Pharmaceutical Industry Co., Ltd., 2-17-4 Kyobashi, Chuo-ku, Tokyo Masao 4, "Detailed description of the invention" column 6 of the agent's specification, content of amendment

Claims (1)

【特許請求の範囲】 1、式〔III〕 Cl Me_2 Si Si Me Cl_2〔III〕
(式中、Meはメチル基を表わす) で示される1,1,2−トリクロロ−1,2,2−トリ
メチルジシランと一般式〔IV〕 Ph MgX〔IV〕 (式中、Phはフェニル基を、Xはハロ ゲン原子を表わす) で示されるフェニルマグネシウムハライドとをコバルト
触媒の存在下に反応させることを特徴とする式〔II〕 Cl Me_2 Si Si Me Ph Cl〔II〕
(式中、PhおよびMeは前記と同一の意 味を表わす) で示される1,2−ジクロロ−1,2,2−トリメチル
−1−フェニルジシランの製造法。 2、コバルト触媒が塩化コバルトである特許請求の範囲
第1項記載の1,2−ジクロロ−1,2,2−トリメチ
ル−1−フェニルジシランの製造法。
[Claims] 1. Formula [III] Cl Me_2 Si Si Me Cl_2 [III]
(In the formula, Me represents a methyl group) 1,1,2-trichloro-1,2,2-trimethyldisilane and the general formula [IV] Ph MgX [IV] (In the formula, Ph represents a phenyl group) , X represents a halogen atom) in the presence of a cobalt catalyst.
(In the formula, Ph and Me have the same meanings as above.) A method for producing 1,2-dichloro-1,2,2-trimethyl-1-phenyldisilane. 2. The method for producing 1,2-dichloro-1,2,2-trimethyl-1-phenyldisilane according to claim 1, wherein the cobalt catalyst is cobalt chloride.
JP3280986A 1986-02-19 1986-02-19 Process for producing 1,2-dichloro-1,2,2-trimethyl-1-phenyldisilane Expired - Lifetime JPH0631270B2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP3280986A JPH0631270B2 (en) 1986-02-19 1986-02-19 Process for producing 1,2-dichloro-1,2,2-trimethyl-1-phenyldisilane
US07/011,964 US4716240A (en) 1986-02-19 1987-02-06 1,2-dichloro-1,2,2-trimethyl-1-phenyldisilane and method for producing the same
DE8787101915T DE3760507D1 (en) 1986-02-19 1987-02-11 1,2-dichloro-1,2,2-trimethyl-1-phenyldisilane and method for producing the same
EP87101915A EP0234412B1 (en) 1986-02-19 1987-02-11 1,2-dichloro-1,2,2-trimethyl-1-phenyldisilane and method for producing the same
CA000530040A CA1301184C (en) 1986-02-19 1987-02-18 1,2-dichloro-1,2,2-trimethyl-1-phenyldisilane and method for producing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3280986A JPH0631270B2 (en) 1986-02-19 1986-02-19 Process for producing 1,2-dichloro-1,2,2-trimethyl-1-phenyldisilane

Publications (2)

Publication Number Publication Date
JPS62192390A true JPS62192390A (en) 1987-08-22
JPH0631270B2 JPH0631270B2 (en) 1994-04-27

Family

ID=12369159

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3280986A Expired - Lifetime JPH0631270B2 (en) 1986-02-19 1986-02-19 Process for producing 1,2-dichloro-1,2,2-trimethyl-1-phenyldisilane

Country Status (1)

Country Link
JP (1) JPH0631270B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62192389A (en) * 1986-02-19 1987-08-22 Yuki Gosei Yakuhin Kogyo Kk 1,1-dichloro-1,2,2,-trimethyl-2-phenyldisilane and production thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62192389A (en) * 1986-02-19 1987-08-22 Yuki Gosei Yakuhin Kogyo Kk 1,1-dichloro-1,2,2,-trimethyl-2-phenyldisilane and production thereof

Also Published As

Publication number Publication date
JPH0631270B2 (en) 1994-04-27

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